Bristol-Myers Squibb - 4.7 MW CHP System - Case Study
Quick Facts
LOCATION: Wallingford, Connecticut
FACILITY PEAK LOAD: 4.7 megawatts (MW)
EQUIPMENT: 4.7 MW Solar gas turbine
ADDITIONAL EQUIPMENT: Backup boilers, four electric chillers, three diesel generators, for emergency power and demand response.
FUEL: Natural gas
CHP TOTAL EFFICIENCY: 72 %
HEAT RECOVERY APPLICATONS: Process Heating & Cooling, Building Heating & Cooling.
PAYBACK: 5 years
CHP IN OPERATION SINCE: 1998
Project Overview
A reliable power supply is critical to the Bristol-Myers Squibb facility in Wallingford, Connecticut. The pharmaceutical research and development conducted in this facility requires a consistent environment. Temperature, humidity, and ventilation must be closely controlled, so any interruptions in utility service can be harmful and costly. Energy consumption is significant at this one million square foot facility, which operates 24 hours a day.
In 1998, a combined heat and power system with a 4.7 MW natural gas-fired turbine was installed to generate energy on-site. This system is now operated continuously and provides most of the facility’s electricity and thermal energy.
Using the CHP system along with supplemental electricity from the utility and on-site boilers and backup generators has provided the high power quality necessary for this facility.
This project was carefully designed, taking into account the year-round heating and cooling loads as well as steam-driven equipment at the facility. The system efficiency is 72%, and Bristol-Myers Squibb saw a payback of their investment in less than five years.
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